/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.ignite.internal.processors.query.calcite.exec.partition;

import java.util.Collection;
import org.apache.ignite.internal.util.typedef.internal.CU;
import org.jetbrains.annotations.Nullable;

/** */
public interface PartitionNode {
    /**
     * @param ctx Partition pruning context.
     * @return Collection of partitions after pruning or {@code null} if all partitions required.
     */
    @Nullable Collection<Integer> apply(PartitionPruningContext ctx);

    /** */
    default int cacheId() {
        return CU.UNDEFINED_CACHE_ID;
    }
}
